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Michael Brown 5b43181436 [efi] Support versions of shim that perform SBAT verification 
The UEFI shim implements a fairly nicely designed revocation mechanism
designed around the concept of security generations.  Unfortunately
nobody in the shim community has thus far added the relevant metadata
to the Linux kernel, with the result that current versions of shim are
incapable of booting current versions of the Linux kernel.

Experience shows that there is unfortunately no point in trying to get
a fix for this upstreamed into shim.  We therefore default to working
around this undesirable behaviour by patching data read from the
"SbatLevel" variable used to hold SBAT configuration.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
 		2023-05-23 15:27:20 +01:00
.github/workflows [ci] Work around Ubuntu packaging metadata issues 2023-05-15 14:56:28 +01:00
contrib [cloud] Allow aws-import script to run on Python 3.6 2022-04-06 14:36:07 +01:00
src [efi] Support versions of shim that perform SBAT verification 2023-05-23 15:27:20 +01:00
COPYING [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.GPLv2 [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.UBDL [legal] Add support for the Unmodified Binary Distribution Licence 2015-03-02 12:07:14 +00:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org